Introduction: One of the most important strategic goals for actualizing learners' potential abilities is using meta cognitive skills. The purpose of the present study is to examine the effect of education of Murder on the improvement of academic performance among children with learning disorder of spelling.Methods: Study Design was Experimental, of the pre-test post-test type with the control group. The statistical population on the study included all students of grade 3 with dictation learning disorder in Isfahan province during the academic year 2012-2013. The sampling method was assigned by cluster random sampling. Following Delavar (2000), the study assigned 30 students with dictation learning disorder and divided them into two groups, each with 15 students. The tools used for data collection was the Yarmohamadian's and Kosanj's impairment test (2011) and Wechsler Intelligence Test. The content validity of the test based on the degree of agreement using Kendall's correlation coefficient was 0.75 to 0.82 and its reliability based on the coefficient α was reported as .76 to .84. Test of Yarmohammadian and Kosanj was given to both groups as the pretest. Then, the test group was educated by MURDER method for 10 weeks and the data was analyzed by the statistical covariance analysis (Ancova), using SPSS software, version 22.Results: The results showed that improvement in the experimental group’s spelling was more than that in the control group who didn’t receive the educational program (p < 0.001).  Conclusion: In general, according to the results of the research it can be concluded that meta cognitive intervention is one of the basic skills for effective learning and can be fruitful as an effective approach in clinics, schools and even in preschools and also for families to prevent the emergence of learning disabilities and to help their treatment.